28798399750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{14401}}^1$

素因数の和:14858

約数の個数: 64

約数和(自身を含む): 56886747840

約数和(自身を除く): 28088348090

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 421, 475, 842, 950, 2105, 2375, 4210, 4750, 7999, 10525, 14401, 15998, 21050, 28802, 39995, 52625, 72005, 79990, 105250, 144010, 199975, 273619, 360025, 399950, 547238, 720050, 999875, 1368095, 1800125, 1999750, 2736190, 3600250, 6062821, 6840475, 12125642, 13680950, 30314105, 34202375, 60628210, 68404750, 115193599, 151570525, 230387198, 303141050, 575967995, 757852625, 1151935990, 1515705250, 2879839975, 5759679950, 14399199875, 28798399750]

約数ペア:

[(1, 28798399750), (2, 14399199875), (5, 5759679950), (10, 2879839975), (19, 1515705250), (25, 1151935990), (38, 757852625), (50, 575967995), (95, 303141050), (125, 230387198), (190, 151570525), (250, 115193599), (421, 68404750), (475, 60628210), (842, 34202375), (950, 30314105), (2105, 13680950), (2375, 12125642), (4210, 6840475), (4750, 6062821), (7999, 3600250), (10525, 2736190), (14401, 1999750), (15998, 1800125), (21050, 1368095), (28802, 999875), (39995, 720050), (52625, 547238), (72005, 399950), (79990, 360025), (105250, 273619), (144010, 199975)]