201450400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8123}}^1$

素因数の和:8174

約数の個数: 72

約数和(自身を含む): 507717504

約数和(自身を除く): 306267104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 992, 1240, 1550, 2480, 3100, 4960, 6200, 8123, 12400, 16246, 24800, 32492, 40615, 64984, 81230, 129968, 162460, 203075, 251813, 259936, 324920, 406150, 503626, 649840, 812300, 1007252, 1259065, 1299680, 1624600, 2014504, 2518130, 3249200, 4029008, 5036260, 6295325, 6498400, 8058016, 10072520, 12590650, 20145040, 25181300, 40290080, 50362600, 100725200, 201450400]

約数ペア:

[(1, 201450400), (2, 100725200), (4, 50362600), (5, 40290080), (8, 25181300), (10, 20145040), (16, 12590650), (20, 10072520), (25, 8058016), (31, 6498400), (32, 6295325), (40, 5036260), (50, 4029008), (62, 3249200), (80, 2518130), (100, 2014504), (124, 1624600), (155, 1299680), (160, 1259065), (200, 1007252), (248, 812300), (310, 649840), (400, 503626), (496, 406150), (620, 324920), (775, 259936), (800, 251813), (992, 203075), (1240, 162460), (1550, 129968), (2480, 81230), (3100, 64984), (4960, 40615), (6200, 32492), (8123, 24800), (12400, 16246)]