38829980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 100638720

約数和(自身を除く): 61808740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 161, 217, 230, 310, 322, 389, 434, 460, 620, 644, 713, 778, 805, 868, 1085, 1426, 1556, 1610, 1945, 2170, 2723, 2852, 3220, 3565, 3890, 4340, 4991, 5446, 7130, 7780, 8947, 9982, 10892, 12059, 13615, 14260, 17894, 19964, 24118, 24955, 27230, 35788, 44735, 48236, 49910, 54460, 60295, 62629, 84413, 89470, 99820, 120590, 125258, 168826, 178940, 241180, 250516, 277357, 313145, 337652, 422065, 554714, 626290, 844130, 1109428, 1252580, 1386785, 1688260, 1941499, 2773570, 3882998, 5547140, 7765996, 9707495, 19414990, 38829980]

約数ペア:

[(1, 38829980), (2, 19414990), (4, 9707495), (5, 7765996), (7, 5547140), (10, 3882998), (14, 2773570), (20, 1941499), (23, 1688260), (28, 1386785), (31, 1252580), (35, 1109428), (46, 844130), (62, 626290), (70, 554714), (92, 422065), (115, 337652), (124, 313145), (140, 277357), (155, 250516), (161, 241180), (217, 178940), (230, 168826), (310, 125258), (322, 120590), (389, 99820), (434, 89470), (460, 84413), (620, 62629), (644, 60295), (713, 54460), (778, 49910), (805, 48236), (868, 44735), (1085, 35788), (1426, 27230), (1556, 24955), (1610, 24118), (1945, 19964), (2170, 17894), (2723, 14260), (2852, 13615), (3220, 12059), (3565, 10892), (3890, 9982), (4340, 8947), (4991, 7780), (5446, 7130)]