209929020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 701761536

約数和(自身を除く): 491832516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 60, 70, 73, 82, 84, 105, 123, 140, 146, 164, 167, 205, 210, 219, 246, 287, 292, 334, 365, 410, 420, 438, 492, 501, 511, 574, 615, 668, 730, 820, 835, 861, 876, 1002, 1022, 1095, 1148, 1169, 1230, 1435, 1460, 1533, 1670, 1722, 2004, 2044, 2190, 2338, 2460, 2505, 2555, 2870, 2993, 3066, 3340, 3444, 3507, 4305, 4380, 4676, 5010, 5110, 5740, 5845, 5986, 6132, 6847, 7014, 7665, 8610, 8979, 10020, 10220, 11690, 11972, 12191, 13694, 14028, 14965, 15330, 17220, 17535, 17958, 20541, 20951, 23380, 24382, 27388, 29930, 30660, 34235, 35070, 35916, 36573, 41082, 41902, 44895, 47929, 48764, 59860, 60955, 62853, 68470, 70140, 73146, 82164, 83804, 85337, 89790, 95858, 102705, 104755, 121910, 125706, 136940, 143787, 146292, 170674, 179580, 182865, 191716, 205410, 209510, 239645, 243820, 251412, 256011, 287574, 314265, 341348, 365730, 410820, 419020, 426685, 479290, 499831, 512022, 575148, 628530, 718935, 731460, 853370, 958580, 999662, 1024044, 1257060, 1280055, 1437870, 1499493, 1706740, 1999324, 2499155, 2560110, 2875740, 2998986, 3498817, 4998310, 5120220, 5997972, 6997634, 7497465, 9996620, 10496451, 13995268, 14994930, 17494085, 20992902, 29989860, 34988170, 41985804, 52482255, 69976340, 104964510, 209929020]

約数ペア:

[(1, 209929020), (2, 104964510), (3, 69976340), (4, 52482255), (5, 41985804), (6, 34988170), (7, 29989860), (10, 20992902), (12, 17494085), (14, 14994930), (15, 13995268), (20, 10496451), (21, 9996620), (28, 7497465), (30, 6997634), (35, 5997972), (41, 5120220), (42, 4998310), (60, 3498817), (70, 2998986), (73, 2875740), (82, 2560110), (84, 2499155), (105, 1999324), (123, 1706740), (140, 1499493), (146, 1437870), (164, 1280055), (167, 1257060), (205, 1024044), (210, 999662), (219, 958580), (246, 853370), (287, 731460), (292, 718935), (334, 628530), (365, 575148), (410, 512022), (420, 499831), (438, 479290), (492, 426685), (501, 419020), (511, 410820), (574, 365730), (615, 341348), (668, 314265), (730, 287574), (820, 256011), (835, 251412), (861, 243820), (876, 239645), (1002, 209510), (1022, 205410), (1095, 191716), (1148, 182865), (1169, 179580), (1230, 170674), (1435, 146292), (1460, 143787), (1533, 136940), (1670, 125706), (1722, 121910), (2004, 104755), (2044, 102705), (2190, 95858), (2338, 89790), (2460, 85337), (2505, 83804), (2555, 82164), (2870, 73146), (2993, 70140), (3066, 68470), (3340, 62853), (3444, 60955), (3507, 59860), (4305, 48764), (4380, 47929), (4676, 44895), (5010, 41902), (5110, 41082), (5740, 36573), (5845, 35916), (5986, 35070), (6132, 34235), (6847, 30660), (7014, 29930), (7665, 27388), (8610, 24382), (8979, 23380), (10020, 20951), (10220, 20541), (11690, 17958), (11972, 17535), (12191, 17220), (13694, 15330), (14028, 14965)]