201669980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 493891776

約数和(自身を除く): 292221796

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 37, 41, 46, 68, 74, 82, 85, 92, 115, 148, 164, 170, 185, 205, 230, 289, 340, 370, 391, 410, 460, 578, 629, 697, 740, 782, 820, 851, 943, 1156, 1258, 1394, 1445, 1517, 1564, 1702, 1886, 1955, 2516, 2788, 2890, 3034, 3145, 3404, 3485, 3772, 3910, 4255, 4715, 5780, 6068, 6290, 6647, 6970, 7585, 7820, 8510, 9430, 10693, 11849, 12580, 13294, 13940, 14467, 15170, 16031, 17020, 18860, 21386, 23698, 25789, 26588, 28934, 30340, 32062, 33235, 34891, 42772, 47396, 51578, 53465, 57868, 59245, 64124, 66470, 69782, 72335, 80155, 103156, 106930, 118490, 128945, 132940, 139564, 144670, 160310, 174455, 213860, 236980, 245939, 257890, 272527, 289340, 320620, 348910, 438413, 491878, 515780, 545054, 593147, 697820, 876826, 983756, 1090108, 1186294, 1229695, 1362635, 1753652, 2192065, 2372588, 2459390, 2725270, 2965735, 4384130, 4918780, 5450540, 5931470, 8768260, 10083499, 11862940, 20166998, 40333996, 50417495, 100834990, 201669980]

約数ペア:

[(1, 201669980), (2, 100834990), (4, 50417495), (5, 40333996), (10, 20166998), (17, 11862940), (20, 10083499), (23, 8768260), (34, 5931470), (37, 5450540), (41, 4918780), (46, 4384130), (68, 2965735), (74, 2725270), (82, 2459390), (85, 2372588), (92, 2192065), (115, 1753652), (148, 1362635), (164, 1229695), (170, 1186294), (185, 1090108), (205, 983756), (230, 876826), (289, 697820), (340, 593147), (370, 545054), (391, 515780), (410, 491878), (460, 438413), (578, 348910), (629, 320620), (697, 289340), (740, 272527), (782, 257890), (820, 245939), (851, 236980), (943, 213860), (1156, 174455), (1258, 160310), (1394, 144670), (1445, 139564), (1517, 132940), (1564, 128945), (1702, 118490), (1886, 106930), (1955, 103156), (2516, 80155), (2788, 72335), (2890, 69782), (3034, 66470), (3145, 64124), (3404, 59245), (3485, 57868), (3772, 53465), (3910, 51578), (4255, 47396), (4715, 42772), (5780, 34891), (6068, 33235), (6290, 32062), (6647, 30340), (6970, 28934), (7585, 26588), (7820, 25789), (8510, 23698), (9430, 21386), (10693, 18860), (11849, 17020), (12580, 16031), (13294, 15170), (13940, 14467)]