78521100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 262483200

約数和(自身を除く): 183962100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 139, 140, 150, 175, 210, 269, 278, 300, 350, 417, 420, 525, 538, 556, 695, 700, 807, 834, 973, 1050, 1076, 1345, 1390, 1614, 1668, 1883, 1946, 2085, 2100, 2690, 2780, 2919, 3228, 3475, 3766, 3892, 4035, 4170, 4865, 5380, 5649, 5838, 6725, 6950, 7532, 8070, 8340, 9415, 9730, 10425, 11298, 11676, 13450, 13900, 14595, 16140, 18830, 19460, 20175, 20850, 22596, 24325, 26900, 28245, 29190, 37391, 37660, 40350, 41700, 47075, 48650, 56490, 58380, 72975, 74782, 80700, 94150, 97300, 112173, 112980, 141225, 145950, 149564, 186955, 188300, 224346, 261737, 282450, 291900, 373910, 448692, 523474, 560865, 564900, 747820, 785211, 934775, 1046948, 1121730, 1308685, 1570422, 1869550, 2243460, 2617370, 2804325, 3140844, 3739100, 3926055, 5234740, 5608650, 6543425, 7852110, 11217300, 13086850, 15704220, 19630275, 26173700, 39260550, 78521100]

約数ペア:

[(1, 78521100), (2, 39260550), (3, 26173700), (4, 19630275), (5, 15704220), (6, 13086850), (7, 11217300), (10, 7852110), (12, 6543425), (14, 5608650), (15, 5234740), (20, 3926055), (21, 3739100), (25, 3140844), (28, 2804325), (30, 2617370), (35, 2243460), (42, 1869550), (50, 1570422), (60, 1308685), (70, 1121730), (75, 1046948), (84, 934775), (100, 785211), (105, 747820), (139, 564900), (140, 560865), (150, 523474), (175, 448692), (210, 373910), (269, 291900), (278, 282450), (300, 261737), (350, 224346), (417, 188300), (420, 186955), (525, 149564), (538, 145950), (556, 141225), (695, 112980), (700, 112173), (807, 97300), (834, 94150), (973, 80700), (1050, 74782), (1076, 72975), (1345, 58380), (1390, 56490), (1614, 48650), (1668, 47075), (1883, 41700), (1946, 40350), (2085, 37660), (2100, 37391), (2690, 29190), (2780, 28245), (2919, 26900), (3228, 24325), (3475, 22596), (3766, 20850), (3892, 20175), (4035, 19460), (4170, 18830), (4865, 16140), (5380, 14595), (5649, 13900), (5838, 13450), (6725, 11676), (6950, 11298), (7532, 10425), (8070, 9730), (8340, 9415)]