421594420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2753}}^1$

素因数の和:2825

約数の個数: 96

約数和(自身を含む): 1036385280

約数和(自身を除く): 614790860

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2753, 2945, 4030, 4940, 5506, 5890, 7657, 8060, 11012, 11780, 13765, 15314, 27530, 30628, 35789, 38285, 52307, 55060, 71578, 76570, 85343, 104614, 143156, 153140, 170686, 178945, 209228, 261535, 341372, 357890, 426715, 523070, 679991, 715780, 853430, 1046140, 1109459, 1359982, 1621517, 1706860, 2218918, 2719964, 3243034, 3399955, 4437836, 5547295, 6486068, 6799910, 8107585, 11094590, 13599820, 16215170, 21079721, 22189180, 32430340, 42159442, 84318884, 105398605, 210797210, 421594420]

約数ペア:

[(1, 421594420), (2, 210797210), (4, 105398605), (5, 84318884), (10, 42159442), (13, 32430340), (19, 22189180), (20, 21079721), (26, 16215170), (31, 13599820), (38, 11094590), (52, 8107585), (62, 6799910), (65, 6486068), (76, 5547295), (95, 4437836), (124, 3399955), (130, 3243034), (155, 2719964), (190, 2218918), (247, 1706860), (260, 1621517), (310, 1359982), (380, 1109459), (403, 1046140), (494, 853430), (589, 715780), (620, 679991), (806, 523070), (988, 426715), (1178, 357890), (1235, 341372), (1612, 261535), (2015, 209228), (2356, 178945), (2470, 170686), (2753, 153140), (2945, 143156), (4030, 104614), (4940, 85343), (5506, 76570), (5890, 71578), (7657, 55060), (8060, 52307), (11012, 38285), (11780, 35789), (13765, 30628), (15314, 27530)]